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BE552939A - - Google Patents

Info

Publication number
BE552939A
BE552939A BE552939DA BE552939A BE 552939 A BE552939 A BE 552939A BE 552939D A BE552939D A BE 552939DA BE 552939 A BE552939 A BE 552939A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE552939A publication Critical patent/BE552939A/xx
Priority claimed from GB3381956A external-priority patent/GB823801A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0128—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BE552939D 1948-01-07 BE552939A (is)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1002A US2623165A (en) 1948-01-07 1948-01-07 Modulated light communication system
GB3381956A GB823801A (en) 1956-11-06 1956-11-06 Light modulation system

Publications (1)

Publication Number Publication Date
BE552939A true BE552939A (is)

Family

ID=33100041

Family Applications (1)

Application Number Title Priority Date Filing Date
BE552939D BE552939A (is) 1948-01-07

Country Status (2)

Country Link
US (1) US2623165A (is)
BE (1) BE552939A (is)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707749A (en) * 1949-06-21 1955-05-03 Rines Robert Harvey System of light beam communication
US2807799A (en) * 1951-03-23 1957-09-24 Fairchild Camera Instr Co Light-modulator recording means
US3102203A (en) * 1960-04-15 1963-08-27 Gen Dynamics Corp Photosensitive data providing system
DE1222165B (de) * 1962-10-30 1966-08-04 Ibm Einrichtung zum Modulieren einer elektromagnetischen Strahlung in einer Festkoerpervorrichtung
US3379887A (en) * 1965-12-01 1968-04-23 Gen Dynamics Corp Electro-optical modulator
US3457425A (en) * 1966-02-24 1969-07-22 Perkin Elmer Corp Optical correlator modulating light twice in ultrasonic light modulator
US3536374A (en) * 1966-07-18 1970-10-27 Perkin Elmer Corp Electromechanical variable birefringent light valve
US3600611A (en) * 1970-03-18 1971-08-17 Kettering Scient Research Inc Elasto-optic device with mechanical bias
US3714438A (en) * 1970-07-20 1973-01-30 Univ California Method and apparatus for propagating traveling wave energy through resonant matter
WO2008047245A2 (en) * 2006-10-20 2008-04-24 Crystalith Ltd Optical devices based on internal conical diffraction

Also Published As

Publication number Publication date
US2623165A (en) 1952-12-23

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